/* ============================================================
   PROJECT EXCEL — Strategic Solutions
   Black theme · bilingual EN (LTR) / AR (RTL)
   Palette derived from the PX monogram, extended into a black
   enterprise theme with a khanjar-brass accent.
   ============================================================ */

:root{
  /* surfaces */
  --black:#08090A;
  --surface:#0C0F14;
  --surface-2:#11151B;
  --surface-3:#161B23;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.18);

  /* ink */
  --white:#FFFFFF;
  --text-strong:#E8ECF1;
  --text:#98A2AE;
  --text-dim:#6C7683;

  /* accents */
  --brass:#C79A55;
  --brass-dim:rgba(199,154,85,.30);
  --blue:#3B8FD4;
  --blue-dark:#2A6FAB;

  /* type */
  --display:'Archivo','Segoe UI',system-ui,sans-serif;
  --text-face:'IBM Plex Sans','Segoe UI',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'Courier New',monospace;

  /* metrics */
  --shell:1220px;
  --pad:clamp(1.25rem,4vw,2.5rem);
  --sec:clamp(4.5rem,9vw,7.5rem);
  --r:4px;
}

html[dir="rtl"]{
  --display:'IBM Plex Sans Arabic','Segoe UI',system-ui,sans-serif;
  --text-face:'IBM Plex Sans Arabic','Segoe UI',system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--black)}
body{
  margin:0;background:var(--black);color:var(--text);
  font-family:var(--text-face);font-size:clamp(.98rem,.4vw + .9rem,1.06rem);
  line-height:1.72;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--display);color:var(--white);margin:0;line-height:1.1;letter-spacing:-.025em;font-weight:800}
html[dir="rtl"] h1,html[dir="rtl"] h2,html[dir="rtl"] h3,html[dir="rtl"] h4{letter-spacing:0;font-weight:700;line-height:1.32}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--brass);color:#000}

.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.skip{position:absolute;inset-block-start:-999px;inset-inline-start:0;background:var(--brass);color:#000;padding:.75rem 1.25rem;z-index:999;font-weight:600}
.skip:focus{inset-block-start:0}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}

/* ---------- shared devices ---------- */
.eyebrow{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brass);display:flex;align-items:center;gap:.7rem;margin-block-end:1.35rem;font-weight:500;
}
.eyebrow::before{content:"";inline-size:26px;block-size:1px;background:var(--brass);flex:none}
html[dir="rtl"] .eyebrow{font-family:var(--text-face);letter-spacing:0;font-size:.82rem;font-weight:600}
.h-sec{font-size:clamp(1.85rem,3.4vw,2.9rem)}
.lede{font-size:clamp(1.02rem,.5vw + .92rem,1.15rem);color:var(--text);max-width:60ch}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-family:var(--text-face);font-weight:600;font-size:.95rem;line-height:1;
  padding:1.05rem 1.9rem;border:1px solid transparent;border-radius:var(--r);cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-primary{background:var(--brass);color:#0A0A0A}
.btn-primary:hover{background:#DCAE63;transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-2);color:var(--white);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--brass);color:var(--brass)}
.btn-arrow{inline-size:8px;block-size:8px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg);flex:none}
html[dir="rtl"] .btn-arrow{transform:rotate(-135deg)}

/* ---------- header ---------- */
.hdr{
  position:sticky;inset-block-start:0;z-index:90;
  background:rgba(8,9,10,.78);backdrop-filter:blur(16px);
  border-block-end:1px solid var(--line);
}
.hdr-in{display:flex;align-items:center;gap:1.5rem;min-block-size:76px}
.brand{display:flex;align-items:center;gap:.8rem;margin-inline-end:auto}
.brand img{block-size:34px;inline-size:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-name{font-family:var(--display);font-weight:800;font-size:.95rem;letter-spacing:.03em;color:var(--white);text-transform:uppercase}
.brand-sub{font-family:var(--mono);font-size:.55rem;letter-spacing:.2em;color:var(--brass);text-transform:uppercase;margin-block-start:.32rem}
html[dir="rtl"] .brand-name{letter-spacing:0}
html[dir="rtl"] .brand-sub{font-family:var(--text-face);letter-spacing:0;font-size:.65rem;font-weight:500}

.nav{display:flex;align-items:center;gap:2rem}
.nav a{font-size:.92rem;font-weight:500;color:var(--text);position:relative;padding-block:.35rem;transition:color .2s ease}
.nav a::after{content:"";position:absolute;inset-block-end:0;inset-inline-start:0;inline-size:0;block-size:1.5px;background:var(--brass);transition:inline-size .25s ease}
.nav a:hover{color:var(--white)}
.nav a:hover::after{inline-size:100%}
.nav .btn{color:#0A0A0A}
.nav .btn::after{display:none}

.lang{display:inline-flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lang button{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;font-weight:500;
  padding:.55rem .8rem;border:0;background:transparent;color:var(--text-dim);cursor:pointer;transition:.2s;
}
.lang button:hover{color:var(--white)}
.lang button.on{background:var(--brass);color:#0A0A0A}
.hdr .btn{padding:.8rem 1.35rem;font-size:.88rem}

.burger{display:none;inline-size:44px;block-size:40px;border:1px solid var(--line);border-radius:var(--r);background:transparent;cursor:pointer;position:relative}
.burger span{position:absolute;inset-inline:11px;block-size:1.5px;background:var(--white);transition:.25s}
.burger span:nth-child(1){inset-block-start:14px}
.burger span:nth-child(2){inset-block-start:19px}
.burger span:nth-child(3){inset-block-start:24px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ============================================================
   HERO — full-width slideshow
   ============================================================ */
.hero{position:relative;isolation:isolate;background:var(--black);overflow:hidden}
.slides{position:absolute;inset:0;z-index:0}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease}
.slide.on{opacity:1}
.slide img{inline-size:100%;block-size:100%;object-fit:cover;transform:scale(1.06);transition:transform 8s linear}
.slide.on img{transform:scale(1)}
.veil{position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(to bottom,rgba(8,9,10,.55) 0%,rgba(8,9,10,.35) 35%,rgba(8,9,10,.92) 88%,var(--black) 100%),
    linear-gradient(to right,rgba(8,9,10,.90) 0%,rgba(8,9,10,.55) 45%,rgba(8,9,10,.15) 100%);
}
html[dir="rtl"] .veil{
  background:
    linear-gradient(to bottom,rgba(8,9,10,.55) 0%,rgba(8,9,10,.35) 35%,rgba(8,9,10,.92) 88%,var(--black) 100%),
    linear-gradient(to left,rgba(8,9,10,.90) 0%,rgba(8,9,10,.55) 45%,rgba(8,9,10,.15) 100%);
}
.hero-in{position:relative;z-index:3;padding-block:clamp(5rem,11vw,8.5rem) clamp(7rem,12vw,9rem);min-block-size:min(88vh,780px);display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(2.4rem,6.2vw,4.6rem);max-width:16ch;letter-spacing:-.035em}
html[dir="rtl"] .hero h1{letter-spacing:0;max-width:19ch}
.hero .lede{color:var(--text-strong);margin-block-start:1.6rem;max-width:56ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-block-start:2.6rem}

/* slideshow chrome */
.hero-ui{
  position:absolute;inset-block-end:0;inset-inline:0;z-index:4;
  border-block-start:1px solid var(--line);background:linear-gradient(to top,rgba(8,9,10,.9),transparent);
}
.hero-ui-in{display:flex;align-items:center;gap:1.5rem;padding-block:1.1rem;flex-wrap:wrap}
.slide-count{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--brass);flex:none}
.slide-cap{font-size:.9rem;color:var(--text);flex:1 1 240px;min-inline-size:0}
.dots{display:flex;gap:.5rem;flex:none}
.dots button{
  inline-size:44px;block-size:3px;padding:0;border:0;cursor:pointer;position:relative;
  background:rgba(255,255,255,.18);transition:background .25s ease;
}
.dots button:hover{background:rgba(255,255,255,.4)}
.dots button.on{background:var(--brass)}
.arrows{display:flex;gap:.5rem;flex:none}
.arrows button{
  inline-size:42px;block-size:42px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--white);cursor:pointer;display:grid;place-items:center;border-radius:var(--r);transition:.22s;
}
.arrows button:hover{border-color:var(--brass);color:var(--brass)}
.arrows svg{inline-size:16px;block-size:16px}
html[dir="rtl"] .arrows svg{transform:scaleX(-1)}

/* ---------- capability strip ---------- */
.strip{background:var(--surface-2);border-block:1px solid var(--line)}
.strip-in{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem 2.2rem;padding-block:1.15rem;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}
html[dir="rtl"] .strip-in{font-family:var(--text-face);letter-spacing:0;font-size:.84rem}
.strip-in span:first-child{color:var(--brass)}

/* ---------- sections ---------- */
.sec{padding-block:var(--sec)}
.sec-alt{background:var(--surface)}
.sec-head{max-width:64ch;margin-block-end:clamp(2.5rem,5vw,3.75rem)}
.sec-head p{margin-block-start:1.1rem}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.svc{background:var(--surface-2);padding:clamp(1.75rem,3vw,2.5rem);display:flex;flex-direction:column;gap:1rem;transition:background .25s ease}
.svc:hover{background:var(--surface-3)}
.svc-ico{inline-size:40px;block-size:40px;color:var(--brass)}
.svc h3{font-size:1.22rem}
.svc p{font-size:.95rem;color:var(--text)}
.svc ul{margin-block-start:auto;padding-block-start:1.1rem;border-block-start:1px solid var(--line);display:flex;flex-direction:column;gap:.5rem}
.svc li{font-size:.86rem;color:var(--text-strong);display:flex;gap:.6rem;align-items:flex-start}
.svc li::before{content:"";inline-size:5px;block-size:5px;background:var(--brass);flex:none;margin-block-start:.62rem;transform:rotate(45deg)}

/* about */
.about{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2.5rem,5vw,4.5rem);align-items:center}
.about-facts{margin-block-start:2.25rem;display:flex;flex-direction:column;gap:1.1rem}
.about-facts li{display:flex;gap:1rem;align-items:baseline;font-size:.95rem;color:var(--text-strong);font-weight:500}
.about-facts b{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--brass);font-weight:500;flex:none;min-inline-size:2.4rem}
html[dir="rtl"] .about-facts b{font-family:var(--text-face);letter-spacing:0;font-size:.8rem;font-weight:600}
.arch{position:relative;aspect-ratio:4/5;background:var(--black);border:1px solid var(--line);
  border-radius:200px 200px var(--r) var(--r);display:flex;align-items:center;justify-content:center;overflow:hidden}
.arch::after{content:"";position:absolute;inset:14px;border:1px solid var(--brass-dim);border-radius:190px 190px 2px 2px}
.arch-lattice{position:absolute;inset:0;opacity:.14;
  background-image:linear-gradient(45deg,rgba(199,154,85,.9) 1px,transparent 1px),linear-gradient(-45deg,rgba(199,154,85,.9) 1px,transparent 1px);
  background-size:26px 26px}
.arch img{position:relative;z-index:2;inline-size:44%}

/* why us */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(1.25rem,2.5vw,2rem)}
.why{background:var(--surface-2);border:1px solid var(--line);padding:clamp(1.6rem,3vw,2.1rem);position:relative;border-radius:var(--r);transition:border-color .25s ease,transform .25s ease}
.why::before{content:"";position:absolute;inset-block-start:-1px;inset-inline-start:-1px;inline-size:44px;block-size:3px;background:var(--brass)}
.why:hover{border-color:var(--line-2);transform:translateY(-3px)}
.why h3{font-size:1.08rem;margin-block-end:.7rem}
.why p{font-size:.92rem;color:var(--text)}

/* contact */
.contact{background:var(--surface);border-block-start:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2.5rem,5vw,4.5rem)}
.cdetails{margin-block-start:2.75rem;display:flex;flex-direction:column;gap:1.4rem}
.cdetail{display:flex;gap:1rem;align-items:flex-start;padding-block-end:1.4rem;border-block-end:1px solid var(--line)}
.cdetail:last-child{border:0;padding-block-end:0}
.cdetail svg{inline-size:20px;block-size:20px;color:var(--brass);flex:none;margin-block-start:.25rem}
.cdetail span{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim);margin-block-end:.3rem}
html[dir="rtl"] .cdetail span{font-family:var(--text-face);letter-spacing:0;font-size:.78rem}
.cdetail a,.cdetail p{color:var(--white);font-size:1rem}
.cdetail a:hover{color:var(--brass)}

.form{background:var(--surface-2);border:1px solid var(--line);padding:clamp(1.6rem,3vw,2.4rem);border-radius:var(--r)}
.field{margin-block-end:1.2rem}
.field label{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);margin-block-end:.55rem}
html[dir="rtl"] .field label{font-family:var(--text-face);letter-spacing:0;font-size:.82rem}
.field input,.field select,.field textarea{
  inline-size:100%;background:var(--black);border:1px solid var(--line);border-radius:var(--r);
  color:var(--white);font-family:var(--text-face);font-size:.95rem;padding:.85rem 1rem;
  transition:border-color .2s ease,background .2s ease;
}
.field textarea{min-block-size:130px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-dim)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brass);outline:none}
.field select{appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text) 50%),linear-gradient(135deg,var(--text) 50%,transparent 50%);
  background-position:calc(100% - 20px) 55%,calc(100% - 14px) 55%;background-size:6px 6px;background-repeat:no-repeat}
html[dir="rtl"] .field select{background-position:20px 55%,26px 55%}
.field select option{background:var(--surface-3);color:var(--white)}
.form .btn{inline-size:100%}
.form-note{margin-block-start:1rem;font-size:.8rem;color:var(--text-dim)}
.form-ok{display:none;gap:.8rem;align-items:flex-start;background:rgba(199,154,85,.10);border:1px solid var(--brass-dim);
  padding:1rem 1.2rem;border-radius:var(--r);margin-block-end:1.2rem;font-size:.9rem;color:var(--white)}
.form-ok.show{display:flex}
.form-ok svg{inline-size:20px;block-size:20px;color:var(--brass);flex:none}

/* footer */
.ftr{background:var(--black);border-block-start:1px solid var(--line);color:var(--text);padding-block:clamp(3rem,6vw,4.5rem) 2rem}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding-block-end:2.5rem;border-block-end:1px solid var(--line)}
.ftr-about{margin-block-start:1.4rem;font-size:.9rem;max-width:38ch}
.ftr h4{color:var(--white);font-size:.78rem;font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;font-weight:500;margin-block-end:1.2rem}
html[dir="rtl"] .ftr h4{font-family:var(--text-face);letter-spacing:0;font-size:.95rem;font-weight:600}
.ftr li{margin-block-end:.7rem;font-size:.9rem}
.ftr a:hover{color:var(--brass)}
.social{display:flex;gap:.7rem;margin-block-start:1.5rem}
.social a{inline-size:38px;block-size:38px;border:1px solid var(--line);border-radius:var(--r);display:grid;place-items:center;transition:.25s}
.social a:hover{border-color:var(--brass);color:var(--brass)}
.social svg{inline-size:16px;block-size:16px}
.ftr-btm{display:flex;flex-wrap:wrap;gap:.75rem 2rem;justify-content:space-between;padding-block-start:1.75rem;font-size:.8rem;color:var(--text-dim)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .about,.contact-grid{grid-template-columns:1fr}
  .arch{max-inline-size:340px;aspect-ratio:4/4.5}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .ftr-grid > div:first-child{grid-column:1/-1}
}
@media (max-width:860px){
  .burger{display:block;order:3}
  .hdr > .shell > .btn{display:none}
  .nav{
    position:fixed;inset-block-start:76px;inset-inline:0;background:var(--surface-2);
    border-block-end:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;
    padding:.5rem var(--pad) 1.5rem;transform:translateY(-140%);transition:transform .3s ease;
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding-block:.95rem;border-block-end:1px solid var(--line)}
  .nav a::after{display:none}
  .nav .btn{margin-block-start:1.2rem;display:inline-flex;border-block-end:0}
}
@media (max-width:640px){
  .slide-cap{display:none}
  .dots button{inline-size:28px}
  .hero-in{min-block-size:auto;padding-block-end:8rem}
}
@media (max-width:560px){
  .ftr-grid{grid-template-columns:1fr}
  .brand-sub{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .slide img{transform:none}
}